156989490231

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393457369}}^1$

素因数の和:393457398

約数の個数: 16

約数和(自身を含む): 251812716800

約数和(自身を除く): 94823226569

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393457369, 1180372107, 2754201583, 7475690011, 8262604749, 22427070033, 52329830077, 156989490231]

約数ペア:

[(1, 156989490231), (3, 52329830077), (7, 22427070033), (19, 8262604749), (21, 7475690011), (57, 2754201583), (133, 1180372107), (399, 393457369)]